<?php

class DealcategoryController extends AdminController
{
	public $layout='//admin/layouts/column1';
	
	/**
	 * @return array action filters
	 */
	public function filters()
	{
		return array(
			'accessControl', // perform access control for CRUD operations
		);
	}

	/**
	 * Specifies the access control rules.
	 * This method is used by the 'accessControl' filter.
	 * @return array access control rules
	 */
	public function accessRules()
	{
		return array(
			array('allow', // allow admin user to perform 'admin' and 'delete' actions
				'actions'=>array('index','view', 'create','update', 'admin','delete', 'manage'),
				'roles'=>array('admin'),
			),
			array('deny',  // deny all users
				'users'=>array('*'),
			),
		);
	}

	/**
	 * Displays a particular model.
	 * @param integer $id the ID of the model to be displayed
	 */
	public function actionView($id)
	{
		$this->render('view',array(
			'model'=>$this->loadModel($id),
		));
	}

	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate()
	{
		$model=new DealCategory;			

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['DealCategory']))
		{
			$model->attributes=$_POST['DealCategory'];
			if('' === $model->parent_id){
				$model->parent_id = NULL;
			}  
			if($model->save()) {
				Yii::app()->user->setFlash('success', 'Категория успешно сохранена');
				$this->redirect(array('view','id'=>$model->id));
			}
		}

		$this->render('create',array(
			'model'=>$model,
		));
	}

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate($id)
	{
		$model=$this->loadModel($id);

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['DealCategory']))
		{
			$model->attributes=$_POST['DealCategory'];
			if($model->save()) {
				Yii::app()->user->setFlash('success', 'Категория успешно сохранена');
				$this->redirect(array('view','id'=>$model->id));
			}
		}

		$this->render('update',array(
			'model'=>$model,
		));
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'admin' page.
	 * @param integer $id the ID of the model to be deleted
	 */
	public function actionDelete($id)
	{
		if(Yii::app()->request->isPostRequest)
		{
			// we only allow deletion via POST request
			$this->loadModel($id)->delete();

			// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
			if(!isset($_GET['ajax']))
				$this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
		}
		else
			throw new CHttpException(400,'Invalid request. Please do not repeat this request again.');
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
		$this->redirect(array('manage'));
		
		$dataProvider=new CActiveDataProvider('DealCategory');
		$this->render('index',array(
			'dataProvider'=>$dataProvider,
		));
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin()
	{
		$model=new DealCategory('search');
		$model->unsetAttributes();  // clear any default values
		if(isset($_GET['DealCategory']))
			$model->attributes=$_GET['DealCategory'];

		$this->render('admin',array(
			'model'=>$model,
		));
	}

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer the ID of the model to be loaded
	 */
	public function loadModel($id)
	{
		$model=DealCategory::model()->findByPk((int)$id);
		if($model===null)
			throw new CHttpException(404,'The requested page does not exist.');
		return $model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param CModel the model to be validated
	 */
	protected function performAjaxValidation($model)
	{
		if(isset($_POST['ajax']) && $_POST['ajax']==='deal-category-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}
	
	public function actionManage() {
		
            $model = DealCategory::model()->findByPK(1);
            
            if(isset($_POST['tree']) && $_POST['tree'] == 'manage') {
                
                $node = DealCategory::model()->findByPK($_POST['node']);
                $nodeTo = DealCategory::model()->findByPK($_POST['nodeto']);
                
                // Добавление узла
                if(isset($_POST['add'])) {
                    $newNode = new DealCategory;
                    $newNode->name = $_POST['name'];
                    $node->appendChild($newNode);
                }
                
                // Удаление узла
                if(isset($_POST['delete'])) {
                	if ($node->id == 1) 
                		Yii::app()->user->setFlash('notice', 'Root категорию нельзя удалять');	
                	else
	                    $node->deleteNode(true);
                }
                
                // Перемещение узла на уровень выше
                if(isset($_POST['up'])) {
                    $node->moveLeft();
                }
                
                // Перемещение узла на уровень ниже
                if(isset($_POST['down'])) {
                    $node->moveRight();
                }
                
                // Перемещение узла А перед узлом Б
                if(isset($_POST['before'])) {
                    $node->moveBefore($nodeTo);
                }
                
                // Переместить узел А внутрь узла Б (в подкатегорию)
                if(isset($_POST['below'])) {
                    $node->moveBelow($nodeTo);
                }
                
                $this->refresh();
            }
            
            // создаем массив, который будем кормить CDropdownList и CListBox
            $data = CHtml::listData($model->findAll(array('order'=>'lft')), 'id', 'nameExt'); // Здесь переопределяем поле name на nameExt. Ниже описано зачем.
            
            $this->render('manage',array(
                'data'=>$data,
            ));
     
	} 
}
